Can closure



FIG. 1 is a perspective view of a can closure showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a side elevation view thereof; and

FIG. 5 is a sectional view along the line V--V of FIG. 4. 

The ornamental design for a can closure, as shown. 